Difficult-Rocket/Difficult_Rocket/utils/cprint/py_cprint.c
2022-07-25 18:28:42 +08:00

102 lines
2.9 KiB
C

//
// Created by shenjack on 2022/7/6.
//
#define PY_SSIZE_T_CLEAN
#define Py_size long long int
#include <Python.h>
#include <stdint.h>
int *print_PyUcs4(PyObject *pyObject){
if(PyUnicode_READY(pyObject) == -1){
PyErr_SetString(PyExc_UnicodeDecodeError, "failed");
return NULL;
}
#if defined(__linux__)
const char *out_char = PyUnicode_AsUTF8(pyObject);
printf("%s", out_char);
#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
Py_UCS4 *ucs4 = PyUnicode_4BYTE_DATA(pyObject);
printf("%ws", ucs4); // win
#endif
return (int *) 1;
};
static PyObject *pycprint_print(PyObject *self, PyObject *args){
if(!print_PyUcs4(PyTuple_GetItem(args, 0))){
return NULL;
};
Py_RETURN_NONE;
};
const char *get_char_from_PyUnicode(PyObject *unicodeObject){
if(!PyUnicode_READY(unicodeObject)){
return NULL;
};
const char *char_obj = PyUnicode_AsUTF8(unicodeObject);
if(char_obj == NULL){
return NULL;
} else {
return char_obj;
};
};
static PyObject *pycpint_printf(PyObject *self, PyObject *args, PyObject *kwargs){
printf("args == NULL: %d\n", args == NULL);
printf("kwargs == NULL: %d\n", kwargs == NULL);
const char *end = "\n";
const char *sep = " ";
if (args != NULL){ // 传入了字符串
Py_ssize_t text_len = PyTuple_Size(args); // 获取字符串的长度
PyObject *cache_obj; // 创建一个缓存
for (Py_ssize_t i = 0; i < text_len; i++){ // for 遍历
cache_obj = PyTuple_GetItem(args, i); // 获取一个字符串
if (cache_obj == NULL){ return NULL; }; // 出毛病了就报错
if (PyUnicode_Check(cache_obj) == 1) {
print_PyUcs4(cache_obj);
} else if (PyList_Check(cache_obj) == 1) {
};
};
printf("text_len = %lld\n", (Py_size)text_len);
};
if(kwargs != NULL){ // 传入了 end 或者 sep
Py_ssize_t kwargs_len = PyDict_Size(kwargs);
printf("kwargs_len = %lld\n", (Py_size) kwargs_len);;
if(PyDict_Contains(kwargs, PyUnicode_FromString("end"))){ // 如果包含 end 的参数
PyObject *end_unicode = PyDict_GetItemString(kwargs, "end"); // 先获取出来 Pyobj
end = PyUnicode_AsUTF8(end_unicode);
};
};
printf("%s", end);
Py_RETURN_NONE;
};
static PyMethodDef PyCprintMethods[] = {
{"print", pycprint_print, METH_VARARGS, "直接使用c的printf输出"},
{"printf", (PyCFunction)(void(*))pycpint_printf, METH_VARARGS | METH_KEYWORDS,
"传入类似py print然后进行format的print"},
{NULL, NULL, 0, NULL}
};
static struct PyModuleDef pycprintmodule = {
PyModuleDef_HEAD_INIT,
"pycprint",
"直接调用c的printf",
-1,
PyCprintMethods
};
PyMODINIT_FUNC PyInit_pycprint(void){
return PyModule_Create(&pycprintmodule);
};